2421052636 has 6 divisors (see below), whose sum is σ = 4236842120. Its totient is φ = 1210526316.

The previous prime is 2421052633. The next prime is 2421052651. The reversal of 2421052636 is 6362501242.

It is a super-2 number, since 2×2421052636² = 11722991732565096992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2421052598 and 2421052607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421052631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302631576 + ... + 302631583.

Almost surely, 2^2421052636 is an apocalyptic number.

It is an amenable number.

2421052636 is a deficient number, since it is larger than the sum of its proper divisors (1815789484).

2421052636 is a wasteful number, since it uses less digits than its factorization.

2421052636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605263163 (or 605263161 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2421052636 is about 49204.1932765898. The cubic root of 2421052636 is about 1342.7693221945.

Adding to 2421052636 its reverse (6362501242), we get a palindrome (8783553878).

The spelling of 2421052636 in words is "two billion, four hundred twenty-one million, fifty-two thousand, six hundred thirty-six".